package dao.impl;

import dao.DeptDao;
import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;
import pojo.Dept;

import java.io.IOException;
import java.io.InputStream;
import java.util.List;

public class DeptDaoImpl implements DeptDao {
    @Override
    public List<Dept> findAll() {
        String resource ="mybatis-config.xml";
        SqlSession sqlSession=null;
       try{
           InputStream resourceAsStream = Resources.getResourceAsStream(resource);
           SqlSessionFactory sqlSessionFactory =new SqlSessionFactoryBuilder().build(resourceAsStream);
           sqlSession =sqlSessionFactory.openSession();
           List<Dept> depts =sqlSession.getMapper(DeptDao.class).findAll();
           return depts;
       }catch (IOException e){
           throw new RuntimeException(e);
       }finally {
           sqlSession.close();
       }

    }
}